
Artist rendition of ACE spacecraft observing the sun.

Artist rendition of AIM spacecraft.

Artist rendition of TIMED spacescraft.

A magnetosphere is that area of space, around a planet, that is controlled by the planet's magnetic field. The shape…

APOD Science APOD APOD: 2011 March 21 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

The full moon is seen as it rises near the Lincoln Memorial, Saturday, March 19, 2011, in Washington. The full…

APOD Science APOD APOD: 2011 March 20… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD…

APOD Science APOD APOD: 2011 March… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy…

On the morning of Feb. 1, 2011, WISE, or the Wide-field Infrared Survey Explorer, took its last snapshot of the…

Technicians test the deployment of one of the three massive solar arrays that will power NASA's Juno spacecraft. When Juno…